Features: Indoor Unit 7-inch TFT LCD screen, no radiation, low power consumption, high definition widescreen image. Hands-free intercom function, electric control unlock function, outdoor monitoring function. The image brightness, chroma and volume of the indoor unit are adjustable. 12 kinds of chord music ringtones are optional so that you won't always hear monotonous doorbells. Outdoor Unit The outdoor unit with anti-oxidation aluminum panel and wear-resistant surface has high definition 700 TV lines, no color cast. Super rainproof, IP55 waterproof rating, blue button display, support IR night view function, simple and convenient wall-mounted installation. Power-on unlock and power-off unlock, can be connected to the exit switch, and delay unlock can be set. Support password/fingerprint/remote control unlock function. Specification: Condition: Brand New Material: ABS + Aluminum panel Color: Shown as picture Optional Plug Type: AU Plug, UK Plug, EU Plug, US Plug Switch Power Supply: AC110V-240V--50Hz DC15V 1.2A Whole Unit Current: < 800mA Call Delay Time: 120S±10% Monitoring Delay Time: 60S±10% Camera Sensor: 700 TV lines Lens: 3.6mm 92° IR Night Vision: Support Indoor Unit Size: Approx.250*150*24mm/9.8*5.9*0.9in Outdoor Unit Size: Approx.155*100*55mm/6.1*3.9*2.2in Package List: 2 * Indoor Unit 1 * Outdoor Unit 2 * 5m 4-core Connection Cable 3 * 15V/2A Power Supply 1 * User Manual 1 * Remote Control